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Studies show low vitamin D is associated with impaired fertility, endometriosis, and polycystic ovary syndrome. A prospective study compared AMH levels in infertile and fertile females with vitamin D deficiency. Among the 35 infertile females (group 1), the mean AMH level was 1.94 with standard deviation 1.30. Among the 35 fertile females (group 2), the mean AMH level was 3.47 with standard deviation 2.59. Assuming that the population variances are unequal, you need to test the claim that infertile females have lower AMH levels than fertile females using a 0.05 significance level.
Select one: Reject Ho because there is insufficient evidence to support the claim, reject Ho because there is sufficient evidence, accept Ho because there is sufficient evidence, fail to reject Ho because there is insufficient evidence, or fail to reject Ho because there is sufficient evidence
Regression is a commonly used technique in business applications. What is the purpose of a regression analysis? Provide two examples of situations in business, or your field, when regression is used. Explain each situation in detail.
Consider a high school basketball player that is a 70% free throw shooter. During the season, what is the probability that this player makes the third free throw in five shots (exactly 3 shots in 5 attempts)?
NEGATIVE BINOMIAL DISTRIBUTION A random variable X has a negative binomial distribution and it is referred to as a negative binomial random variable if and only if
are your finances buying habits medical records and phone calls really private? a real concern for many adults is that
The following data represent the daily number of visitors to a small craft shop in Yackandandah. The data were collected over a 16 day period and are ordered numerically (not chronologically).
In recent times it has been suggested that university graduates can be divided into two groups, those who graduated from a business degree and those who did not. Suppose you are working for the Government and have been asked to determine whether thi..
In a certain part of downtown Baltimore parking lots charge $7 per day. A car that is illegally parked on the street will be fined $25 if caught
At the .10 significance level you will test to determine if there has been an increase in selling time. Assuming we are using a t test what will be the critical value"?
The manufacturer of Ice Melt claims its product will melt snow and ice at temperatures as low as 0° Fahrenheit. A representative for a large chain of hardware.
1. the length of time in minutes required to complete a series of physical therapy exercises is normally distributed
What is the standard deviation of the number of requests in a 10 hour work day? Give your answer to four decimal places.
The correlation coefficient between X and Y is 0.3. If W= 2X+ 2Y+ 7, find the mean and standard deviation of W.
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